Fujitsu MB15C02 Computer Drive User Manual


 
5
MB15C02
BLOCK DIAGRAM
Control
register
Phase
comparator
OSCIN
OSCOUT
VP
Do
14-bit latch
Programmable
reference divider
Binary 14-bit
reference counter
Data
18-bit shift register
18-bit latch
Binary 6-bit
swallow
counter
Binary 12-bit
programma-
ble counter
LD
fin
Clock
LE
TEST
VSS
Prescaler
Charge
pump
fp
fr
Intermittent
mode control
circuit
PS
FC
Control circuit
Lock detector
φP
φR
14
14
18
6
12
VDD
Output
control
circuit
Output
control
circuit
Crystal
oscillator
circuit